10216126909 has 2 divisors, whose sum is σ = 10216126910. Its totient is φ = 10216126908.

The previous prime is 10216126903. The next prime is 10216126957. The reversal of 10216126909 is 90962161201.

10216126909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5750947225 + 4465179684 = 75835^2 + 66822^2 .

It is a cyclic number.

It is not a de Polignac number, because 10216126909 - 2³³ = 1626192317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10216126903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108063454 + 5108063455.

It is an arithmetic number, because the mean of its divisors is an integer number (5108063455).

Almost surely, 2^10216126909 is an apocalyptic number.

It is an amenable number.

10216126909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10216126909 is an equidigital number, since it uses as much as digits as its factorization.

10216126909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 10216126909 in words is "ten billion, two hundred sixteen million, one hundred twenty-six thousand, nine hundred nine".